The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-303-9121, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Mil-Craft Mfg., Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-303-9121 |
| Primary Part Number | 237482 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mil-Craft Mfg., Inc. |
| Status | ACTIVE |
| Length | 0.245 INCHES NOMINAL IN |
| Thread Provision | THREADED SINGLE PROVISION |
| Design Type | TUBULAR |
| Thread Series | UNF FIRST PROVISION |
| Thread Length | 0.245 INCHES NOMINAL FIRST PROVISION IN |
| Thread Direction | RIGHT-HAND FIRST PROVISION |
| Thread Size Designator | 0.216-28 FIRST PROVISION |
| Thread Class | 2A FIRST PROVISION A |
| Material | STEEL |
| Orifice Diameter | 0.031 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 237482 PRIMARY | Mil-Craft Mfg., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 237482 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 4730-00-303-9121 is a Restrictor,fluid Flow, manufactured by Mil-Craft Mfg., Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-303-9121 has 1 manufacturer part number on file: 237482 (Mil-Craft Mfg., Inc.).
Key specifications for 237482: Length: 0.245 INCHES NOMINAL IN; Thread Provision: THREADED SINGLE PROVISION; Design Type: TUBULAR; Thread Series: UNF FIRST PROVISION. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.